An ultra-high pressure reciprocating pump rupture disc structure

Abstract

The utility model relates to the technical field of reciprocating pump, concretely to a superhigh pressure reciprocating pump rupture disc structure, include: the rupture disc main part, connecting piece, the rupture disc main part peripheral wall fixedly be equipped with the mounting ring, and connecting piece is connected to set up in the extension pipe end, the connecting piece end is equipped with the mounting groove, and the rupture disc main part is set up on the connecting piece through the connecting component, and the positioning column is inserted with the positioning hole and makes the rupture disc main part positioning installation in the mounting groove, after embedding the sealing ring pad into the mounting groove and pasting the mounting ring, install the compression pipe and make the trapezoidal pushboard joint setting in the recess of U -shaped board, control the horizontal movement of moving part along U -shaped board, and the ball contact and along the inclined plane of trapezoidal pushboard move, and then push trapezoidal pushboard and compression pipe and move down and realize the compression pipe extrusion sealing ring pad and guarantee the sealing effect of rupture disc installation, simple operation, need not with the aid of auxiliary tool, the rupture disc main part is convenient to realize quick dismounting, and then improve the periodic dismounting replacement efficiency of rupture disc.

Description

Technical Field

[0001] This utility model relates to the field of reciprocating pump technology, specifically to a rupture disc structure for an ultra-high pressure reciprocating pump. Background Technology

[0002] Reciprocating pumps include piston pumps, metering pumps, and diaphragm pumps, collectively known as reciprocating pumps. They are a type of positive displacement pump with wide applications. Reciprocating pumps are conveying machines that directly provide energy to liquids in the form of pressure energy through the reciprocating motion of a piston. A rupture disc (also known as a rupture diaphragm or explosion-proof disc) is a non-reclosable safety pressure relief device composed of a rupture disc and a clamping device, widely used in chemical, petroleum, and metallurgical industries. It achieves rapid pressure relief by having the diaphragm rupture at a set pressure and temperature, preventing damage to pressure vessels or pipelines due to overpressure.

[0003] Chinese patent document CN208669544U discloses a vacuum pump explosion relief device, comprising: a rupture disc, a short connecting pipe, and fasteners. An opening is added to the vacuum pump chamber. One side of the rupture disc is connected to the opening of the vacuum pump, and the other side is connected to the short connecting pipe. Fasteners are fitted around the outside of the rupture disc. This invention adds an opening to the vacuum pump chamber and then installs a rupture disc at the opening. When the pressure inside the vacuum pump chamber reaches a certain value, the rupture disc ruptures, allowing gas in the vacuum pump chamber to escape from the vacuum pump opening, achieving automatic pressure relief. This prevents the vacuum pump from exploding, improves the safety of vacuum pump use, and ensures the personal safety of personnel.

[0004] However, in the above-mentioned solutions and existing technologies, in order to ensure the safety of the ultra-high pressure reciprocating pump during use, an extension pipe needs to be added to the pump chamber of the ultra-high pressure reciprocating pump, and a rupture disc needs to be installed in the port of the extension pipe for rapid pressure relief in special circumstances. After the existing rupture disc is installed, the fastener is fixed to the port of the extension pipe by threaded connection to clamp the rupture disc. During the operation, it is necessary to use auxiliary tools to tighten the fastener with effort, which is inconvenient and affects the efficiency of periodic disassembly and replacement of the rupture disc. Improvement and optimization are needed. Utility Model Content

[0005] The purpose of this invention is to provide a rupture disc structure for an ultra-high pressure reciprocating pump to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a rupture disc structure for an ultra-high pressure reciprocating pump, comprising: a rupture disc body and a connector; a mounting ring is fixedly sleeved on the peripheral wall of the rupture disc body, positioning holes are equidistantly opened on the side wall of the mounting ring, and L-shaped levers are symmetrically connected on the side wall of the mounting ring; the connector is connected to the end of an extension tube; an installation groove is opened at the end of the connector, and a pipe groove communicating with the extension tube is provided at the bottom of the installation groove; the rupture disc body is mounted on the connector through a connecting assembly.

[0007] Preferably, the connecting assembly includes positioning posts, sealing gaskets, clamping tubes, U-shaped plates, trapezoidal push plates, and moving parts. The positioning posts are equidistantly connected on the bottom wall of the mounting groove. The mounting ring is embedded in the mounting groove. The positioning posts are inserted into the positioning holes. A sealing gasket is embedded in the mounting groove and is snapped into the mounting ring.

[0008] Preferably, the sealing ring gasket has a slot on its side wall, which is inserted into an L-shaped lever. A lever is connected to the inner wall of the sealing ring gasket. A clamping tube is inserted into the mounting groove and clamps into the sealing ring gasket. One end of the clamping tube is closed. Drain holes communicating with the inner cavity of the clamping tube are equidistantly opened on the periphery of the clamping tube. A U-shaped plate is connected to the connector.

[0009] Preferably, the U-shaped plate has symmetrical sliding grooves on both sides, threaded holes on the side walls, a trapezoidal push plate on the periphery of the pressing tube, the trapezoidal push plate being snapped into the groove of the U-shaped plate, and a movable part being snapped into the U-shaped plate.

[0010] Preferably, sliders are symmetrically connected on the inner walls of both sides of the movable component, and the sliders are movably engaged in the groove. Ball bearings are equidistantly engaged on the inner wall of the movable component, and the ball bearings are engaged with the trapezoidal push plate.

[0011] Preferably, a knob bolt is inserted into the side wall of the movable part, the screw of the knob bolt passes through the side wall of the movable part and is threadedly connected to the threaded hole, a limit ring groove is formed on the knob of the knob bolt, and an L-shaped limit plate is connected to the side wall of the movable part, with the other end of the L-shaped limit plate being snapped into the limit ring groove.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] The rupture disc body is positioned and installed in the mounting groove by inserting the positioning pin and positioning hole. After the sealing ring is embedded into the mounting groove and fits against the mounting ring, the clamping tube is installed so that the trapezoidal push plate is snapped into the groove of the U-shaped plate. The moving part is controlled to move horizontally along the U-shaped plate, and the ball contacts and moves along the inclined surface of the trapezoidal push plate, thereby pushing the trapezoidal push plate and the clamping tube downward to squeeze the sealing ring gasket and ensure the sealing effect of the rupture disc installation. The operation is simple and does not require auxiliary tools, which facilitates quick disassembly and assembly of the rupture disc body, thereby improving the efficiency of periodic disassembly and replacement of the rupture disc. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is an exploded view of the structure of this utility model;

[0016] Figure 3This is a schematic diagram of the connection structure of the connector of this utility model;

[0017] Figure 4 This is a schematic diagram of the sealing ring gasket structure connection of this utility model;

[0018] Figure 5 This is a schematic diagram of the connection structure of the moving part of this utility model.

[0019] In the diagram: 1. Rupture disc body; 2. Mounting ring; 3. Positioning hole; 4. L-shaped lever; 5. Connector; 6. Extension tube; 7. Mounting groove; 8. Positioning post; 9. Sealing ring gasket; 10. Slot; 11. Lever; 12. Pressing tube; 13. Drain hole; 14. U-shaped plate; 15. Slide groove; 16. Threaded hole; 17. Trapezoidal push plate; 18. Moving part; 19. Slider; 20. Ball bearing; 21. Knob bolt; 22. Limiting ring groove; 23. L-shaped limiting plate. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] Please see Figures 1-5 This utility model provides a technical solution: a rupture disc structure for an ultra-high pressure reciprocating pump, comprising: a rupture disc body 1 and a connecting member 5; an installation ring 2 is fixedly sleeved on the periphery of the rupture disc body 1, positioning holes 3 are equidistantly opened on the side wall of the installation ring 2, and L-shaped lever plates 4 are symmetrically connected to the side wall of the installation ring 2; the connecting member 5 is connected to the end of the extension tube 6; an installation groove 7 is opened at the end of the connecting member 5, and a pipe groove communicating with the extension tube 6 is provided at the bottom end of the installation groove 7; the rupture disc body 1 is mounted on the connecting member 5 through a connecting assembly.

[0022] The rupture disc body 1 is set in the mounting groove 7 of the connector 5 corresponding to the port of the extension tube 6. The extension tube 6 is connected to the pump cavity on the outer wall of the ultra-high pressure reciprocating pump. The L-shaped baffle 4 set on the mounting ring 2 facilitates the removal of the rupture disc body 1.

[0023] The positioning posts 8 in the connecting assembly are equidistantly connected on the bottom wall of the mounting groove 7. The mounting ring 2 is embedded in the mounting groove 7, the positioning posts 8 are inserted into the positioning holes 3, and a sealing ring gasket 9 is embedded in the mounting groove 7. The sealing ring gasket 9 is snapped into the mounting ring 2.

[0024] The positioning pin 8 is inserted into the positioning hole 3 for positioning the rupture disc body 1 in the mounting groove 7 of the connector 5. The mounting groove 7 is fitted with a sealing ring gasket 9 to ensure the sealing effect when the rupture disc body 1 is installed.

[0025] The sealing ring gasket 9 has a slot 10 on its side wall, which is inserted into the L-shaped lever 4. A lever 11 is connected to the inner wall of the sealing ring gasket 9. A clamping tube 12 is inserted into the mounting groove 7 and is clamped to the sealing ring gasket 9. One end of the clamping tube 12 is closed. Drain holes 13 that communicate with the inner cavity of the clamping tube 12 are equidistantly opened on the periphery of the clamping tube 12. A U-shaped plate 14 is connected to the connector 5.

[0026] The sealing gasket 9 has an L-shaped lever 4 on its side wall that can be inserted into the mounting ring 2 to ensure that the sealing gasket 9 fits the mounting ring 2. It is also inserted into the mounting groove 7 with the clamping tube 12 to squeeze the sealing gasket 9. The lever 11 on the inner wall of the sealing gasket 9 facilitates the removal of the sealing gasket 9. The clamping tube 12 has a drain hole 13 on its circumferential wall. After the rupture disc body 1 bursts, the liquid enters the clamping tube 12 and is discharged from the drain hole 13 to release the pressure.

[0027] The U-shaped plate 14 has symmetrically arranged sliding grooves 15 on both side walls, and threaded holes 16 on the side walls of the U-shaped plate 14. A trapezoidal push plate 17 is provided on the periphery of the clamping tube 12. The trapezoidal push plate 17 is snapped into the groove of the U-shaped plate 14. A movable component 18 is snapped onto the U-shaped plate 14. Slider blocks 19 are symmetrically connected to the inner walls of both sides of the movable component 18. The sliders 19 are movably snapped into the sliding grooves 15. Ball bearings 20 are equidistantly and movably embedded in the inner side wall of the movable component 18. The ball bearings 20 are snapped into the trapezoidal push plate 17.

[0028] The trapezoidal push plate 17 is snapped into the groove of the U-shaped plate 14 for positioning and installing the clamping tube 12. The slider 19 is movably snapped into the slide groove 15 so that the moving part 18 can move horizontally along the U-shaped plate 14, so that the ball bearings 20 on the inner side wall of the moving part 18 contact and move along the inclined surface of the trapezoidal push plate 17, thereby pushing the trapezoidal push plate 17 and the clamping tube 12 downward.

[0029] A knob bolt 21 is inserted into the side wall of the movable part 18. The screw of the knob bolt 21 passes through the side wall of the movable part 18 and is threadedly connected to the threaded hole 16. A limit ring groove 22 is opened on the knob of the knob bolt 21. An L-shaped limit plate 23 is connected to the side wall of the movable part 18. The other end of the L-shaped limit plate 23 is snapped into the limit ring groove 22.

[0030] The L-shaped limiting plate 23 on the side wall of the movable part 18 is engaged with the limiting ring groove 22 on the knob of the knob bolt 21, so that the knob bolt 21 and the movable part 18 move synchronously. The screw of the knob bolt 21 is threadedly connected to the threaded hole 16 to control the movement of the movable part 18.

[0031] Working principle: The mounting ring 2 is engaged with the mounting groove 7, and the positioning pin 8 is inserted into the positioning hole 3, so that the rupture disc body 1 is positioned and installed in the mounting groove 7 of the connector 5. After the sealing ring gasket 9 is inserted into the mounting groove 7 and the sealing ring gasket 9 is attached to the mounting ring 2, the clamping tube 12 is inserted into the mounting groove 7, and the trapezoidal push plate 17 is snapped into the groove of the U-shaped plate 14. Then, the knob bolt 21 is rotated to control the moving part 18 to move horizontally along the U-shaped plate 14. During the process, the ball bearings 20 on the inner side wall of the moving part 18 contact and move along the inclined surface of the trapezoidal push plate 17, thereby pushing the trapezoidal push plate 17 and the clamping tube 12 into the groove 7. The clamping tube 12 moves downward until the ball bearing 20 engages with the end face of the trapezoidal push plate 17, fixing the position of the trapezoidal push plate 17. This ensures that the clamping tube 12 squeezes the sealing ring gasket 9 to guarantee the sealing effect during the installation of the rupture disc body 1. This completes the installation of the rupture disc body 1 in the end connector 5 of the ultra-high pressure reciprocating pump extension tube 6. After the rupture disc body 1 bursts, the liquid flows into the clamping tube 12 and is discharged from the drain hole 13 to achieve rapid pressure relief, ensuring the safety of the ultra-high pressure reciprocating pump during use. The operation is simple and does not require auxiliary tools, making it easy to quickly disassemble and assemble the rupture disc body 1, thereby improving the efficiency of periodic disassembly and replacement of the rupture disc.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rupture disc structure for an ultra-high pressure reciprocating pump, comprising: The rupture disc body (1) and the connector (5) are provided with a mounting ring (2) fixedly sleeved on the periphery of the rupture disc body (1), and positioning holes (3) are provided at equal intervals on the side wall of the mounting ring (2). L-shaped baffles (4) are symmetrically connected on the side wall of the mounting ring (2), and the connector (5) is connected to the end of the extension tube (6). The feature is that: the end of the connector (5) is provided with an installation groove (7), the bottom end of the installation groove (7) is provided with a pipe groove that communicates with the extension pipe (6), and the rupture disc body (1) is set on the connector (5) through the connecting component.

2. The rupture disc structure of an ultra-high pressure reciprocating pump according to claim 1, characterized in that: The connecting assembly includes a positioning post (8), a sealing gasket (9), a clamping tube (12), a U-shaped plate (14), a trapezoidal push plate (17), and a moving part (18). The positioning posts (8) are equidistantly connected on the bottom wall of the mounting groove (7). The mounting ring (2) is embedded in the mounting groove (7). The positioning post (8) is inserted into the positioning hole (3). The mounting groove (7) is fitted with a sealing gasket (9), which is snapped into the mounting ring (2).

3. The rupture disc structure of an ultra-high pressure reciprocating pump according to claim 2, characterized in that: The sealing gasket (9) has a slot (10) on its side wall. The slot (10) is inserted into the L-shaped lever (4). A lever (11) is connected to the inner wall of the sealing gasket (9). A clamping tube (12) is inserted into the mounting groove (7). The clamping tube (12) is clamped to the sealing gasket (9). One end of the clamping tube (12) is closed. Drain holes (13) that connect to the inner cavity of the clamping tube (12) are opened at equal intervals on the periphery of the clamping tube (12). A U-shaped plate (14) is connected to the connector (5).

4. The rupture disc structure of an ultra-high pressure reciprocating pump according to claim 3, characterized in that: The U-shaped plate (14) has symmetrically provided sliding grooves (15) on both sides, and threaded holes (16) on the side walls of the U-shaped plate (14). A trapezoidal push plate (17) is provided on the periphery of the pressing tube (12). The trapezoidal push plate (17) is snapped into the groove of the U-shaped plate (14). A movable part (18) is snapped into the U-shaped plate (14).

5. The rupture disc structure of an ultra-high pressure reciprocating pump according to claim 4, characterized in that: The movable part (18) is symmetrically connected with sliders (19) on both sides of the inner wall. The sliders (19) are movably engaged in the groove (15). The inner side wall of the movable part (18) is equidistantly engaged with balls (20). The balls (20) are engaged with the trapezoidal push plate (17).

6. The rupture disc structure of an ultra-high pressure reciprocating pump according to claim 5, characterized in that: A knob bolt (21) is inserted into the side wall of the movable part (18). The screw of the knob bolt (21) passes through the side wall of the movable part (18) and is threadedly connected to the threaded hole (16). A limit ring groove (22) is opened on the knob of the knob bolt (21). An L-shaped limit plate (23) is connected to the side wall of the movable part (18). The other end of the L-shaped limit plate (23) is snapped into the limit ring groove (22).

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